/* ftconfig.h.  Generated from ftconfig.in by configure.  */
/****************************************************************************
 *
 * ftconfig.in
 *
 *   UNIX-specific configuration file (specification only).
 *
 * Copyright (C) 1996-2019 by
 * David Turner, Robert Wilhelm, and Werner Lemberg.
 *
 * This file is part of the FreeType project, and may only be used,
 * modified, and distributed under the terms of the FreeType project
 * license, LICENSE.TXT.  By continuing to use, modify, or distribute
 * this file you indicate that you have read the license and
 * understand and accept it fully.
 *
 */

/**************************************************************************
 *
 * This header file contains a number of macro definitions that are used by
 * the rest of the engine.  Most of the macros here are automatically
 * determined at compile time, and you should not need to change it to port
 * FreeType, except to compile the library with a non-ANSI compiler.
 *
 * Note however that if some specific modifications are needed, we advise
 * you to place a modified copy in your build directory.
 *
 * The build directory is usually `builds/<system>`, and contains
 * system-specific files that are always included first when building the
 * library.
 *
 */

#ifndef FTCONFIG_H_
#define FTCONFIG_H_

#include <ft2build.h>
#include FT_CONFIG_OPTIONS_H
#include FT_CONFIG_STANDARD_LIBRARY_H

FT_BEGIN_HEADER

/**************************************************************************
 *
 *              PLATFORM-SPECIFIC CONFIGURATION MACROS
 *
 * These macros can be toggled to suit a specific system.  The current ones
 * are defaults used to compile FreeType in an ANSI C environment (16bit
 * compilers are also supported).  Copy this file to your own
 * `builds/<system>` directory, and edit it to port the engine.
 *
 */

#define HAVE_UNISTD_H 1
#define HAVE_FCNTL_H 1
#define HAVE_STDINT_H 1

/* There are systems (like the Texas Instruments 'C54x) where a `char`  */
/* has 16~bits.  ANSI~C says that `sizeof(char)` is always~1.  Since an */
/* `int` has 16~bits also for this system, `sizeof(int)` gives~1 which  */
/* is probably unexpected.                                              */
/*                                                                      */
/* `CHAR_BIT` (defined in `limits.h`) gives the number of bits in a     */
/* `char` type.                                                         */

#ifndef FT_CHAR_BIT
#define FT_CHAR_BIT CHAR_BIT
#endif

/* #undef FT_USE_AUTOCONF_SIZEOF_TYPES */
#ifdef FT_USE_AUTOCONF_SIZEOF_TYPES

#define SIZEOF_INT 4
#define SIZEOF_LONG 8
#define FT_SIZEOF_INT SIZEOF_INT
#define FT_SIZEOF_LONG SIZEOF_LONG

#else /* !FT_USE_AUTOCONF_SIZEOF_TYPES */

/* Following cpp computation of the bit length of `int` and `long` */
/* is copied from default `include/freetype/config/ftconfig.h`.    */
/* If any improvement is required for this file, it should be      */
/* applied to the original header file for the builders that do    */
/* not use configure script.                                       */

/* The size of an `int` type. */
#if FT_UINT_MAX == 0xFFFFUL
#define FT_SIZEOF_INT (16 / FT_CHAR_BIT)
#elif FT_UINT_MAX == 0xFFFFFFFFUL
#define FT_SIZEOF_INT (32 / FT_CHAR_BIT)
#elif FT_UINT_MAX > 0xFFFFFFFFUL && FT_UINT_MAX == 0xFFFFFFFFFFFFFFFFUL
#define FT_SIZEOF_INT (64 / FT_CHAR_BIT)
#else
#error "Unsupported size of `int' type!"
#endif

/* The size of a `long` type.  A five-byte `long` (as used e.g. on the */
/* DM642) is recognized but avoided.                                   */
#if FT_ULONG_MAX == 0xFFFFFFFFUL
#define FT_SIZEOF_LONG (32 / FT_CHAR_BIT)
#elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFUL
#define FT_SIZEOF_LONG (32 / FT_CHAR_BIT)
#elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFFFFFFFUL
#define FT_SIZEOF_LONG (64 / FT_CHAR_BIT)
#else
#error "Unsupported size of `long' type!"
#endif

#endif /* !FT_USE_AUTOCONF_SIZEOF_TYPES */

/* `FT_UNUSED` indicates that a given parameter is not used --   */
/* this is only used to get rid of unpleasant compiler warnings. */
#ifndef FT_UNUSED
#define FT_UNUSED(arg) ((arg) = (arg))
#endif

/**************************************************************************
 *
 *                    AUTOMATIC CONFIGURATION MACROS
 *
 * These macros are computed from the ones defined above.  Don't touch
 * their definition, unless you know precisely what you are doing.  No
 * porter should need to mess with them.
 *
 */

/**************************************************************************
 *
 * Mac support
 *
 *   This is the only necessary change, so it is defined here instead
 *   providing a new configuration file.
 */
#if defined(__APPLE__) || (defined(__MWERKS__) && defined(macintosh))
/* No Carbon frameworks for 64bit 10.4.x.                         */
/* `AvailabilityMacros.h` is available since Mac OS X 10.2,       */
/* so guess the system version by maximum errno before inclusion. */
#include <errno.h>
#ifdef ECANCELED /* defined since 10.2 */
#include "AvailabilityMacros.h"
#endif
#if defined(__LP64__) && (MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_4)
#undef FT_MACINTOSH
#endif

#elif defined(__SC__) || defined(__MRC__)
/* Classic MacOS compilers */
#include "ConditionalMacros.h"
#if TARGET_OS_MAC
#define FT_MACINTOSH 1
#endif

#endif

/* Fix compiler warning with sgi compiler. */
#if defined(__sgi) && !defined(__GNUC__)
#if defined(_COMPILER_VERSION) && (_COMPILER_VERSION >= 730)
#pragma set woff 3505
#endif
#endif

/**************************************************************************
 *
 * @section:
 *   basic_types
 *
 */

/**************************************************************************
 *
 * @type:
 *   FT_Int16
 *
 * @description:
 *   A typedef for a 16bit signed integer type.
 */
typedef signed short FT_Int16;

/**************************************************************************
 *
 * @type:
 *   FT_UInt16
 *
 * @description:
 *   A typedef for a 16bit unsigned integer type.
 */
typedef unsigned short FT_UInt16;

/* */

/* this #if 0 ... #endif clause is for documentation purposes */
#if 0

  /**************************************************************************
   *
   * @type:
   *   FT_Int32
   *
   * @description:
   *   A typedef for a 32bit signed integer type.  The size depends on the
   *   configuration.
   */
  typedef signed XXX  FT_Int32;


  /**************************************************************************
   *
   * @type:
   *   FT_UInt32
   *
   *   A typedef for a 32bit unsigned integer type.  The size depends on the
   *   configuration.
   */
  typedef unsigned XXX  FT_UInt32;


  /**************************************************************************
   *
   * @type:
   *   FT_Int64
   *
   *   A typedef for a 64bit signed integer type.  The size depends on the
   *   configuration.  Only defined if there is real 64bit support;
   *   otherwise, it gets emulated with a structure (if necessary).
   */
  typedef signed XXX  FT_Int64;


  /**************************************************************************
   *
   * @type:
   *   FT_UInt64
   *
   *   A typedef for a 64bit unsigned integer type.  The size depends on the
   *   configuration.  Only defined if there is real 64bit support;
   *   otherwise, it gets emulated with a structure (if necessary).
   */
  typedef unsigned XXX  FT_UInt64;

  /* */

#endif

#if FT_SIZEOF_INT == 4

typedef signed int FT_Int32;
typedef unsigned int FT_UInt32;

#elif FT_SIZEOF_LONG == 4

typedef signed long FT_Int32;
typedef unsigned long FT_UInt32;

#else
#error "no 32bit type found -- please check your configuration files"
#endif

/* look up an integer type that is at least 32~bits */
#if FT_SIZEOF_INT >= 4

typedef int FT_Fast;
typedef unsigned int FT_UFast;

#elif FT_SIZEOF_LONG >= 4

typedef long FT_Fast;
typedef unsigned long FT_UFast;

#endif

/* determine whether we have a 64-bit `int` type for platforms without */
/* Autoconf                                                            */
#if FT_SIZEOF_LONG == 8

/* `FT_LONG64` must be defined if a 64-bit type is available */
#define FT_LONG64
#define FT_INT64 long
#define FT_UINT64 unsigned long

/* we handle the LLP64 scheme separately for GCC and clang, */
/* suppressing the `long long` warning                      */
#elif (FT_SIZEOF_LONG == 4) && defined(HAVE_LONG_LONG_INT) && defined(__GNUC__)
#pragma GCC diagnostic ignored "-Wlong-long"
#define FT_LONG64
#define FT_INT64 long long int
#define FT_UINT64 unsigned long long int

/**************************************************************************
 *
 * A 64-bit data type may create compilation problems if you compile in
 * strict ANSI mode.  To avoid them, we disable other 64-bit data types if
 * `__STDC__` is defined.  You can however ignore this rule by defining the
 * `FT_CONFIG_OPTION_FORCE_INT64` configuration macro.
 */
#elif !defined(__STDC__) || defined(FT_CONFIG_OPTION_FORCE_INT64)

#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L

#define FT_LONG64
#define FT_INT64 long long int
#define FT_UINT64 unsigned long long int

#elif defined(_MSC_VER) && _MSC_VER >= 900 /* Visual C++ (and Intel C++) */

/* this compiler provides the `__int64` type */
#define FT_LONG64
#define FT_INT64 __int64
#define FT_UINT64 unsigned __int64

#elif defined(__BORLANDC__) /* Borland C++ */

/* XXXX: We should probably check the value of `__BORLANDC__` in order */
/*       to test the compiler version.                                 */

/* this compiler provides the `__int64` type */
#define FT_LONG64
#define FT_INT64 __int64
#define FT_UINT64 unsigned __int64

#elif defined(__WATCOMC__) /* Watcom C++ */

/* Watcom doesn't provide 64-bit data types */

#elif defined(__MWERKS__) /* Metrowerks CodeWarrior */

#define FT_LONG64
#define FT_INT64 long long int
#define FT_UINT64 unsigned long long int

#elif defined(__GNUC__)

/* GCC provides the `long long` type */
#define FT_LONG64
#define FT_INT64 long long int
#define FT_UINT64 unsigned long long int

#endif /* __STDC_VERSION__ >= 199901L */

#endif /* FT_SIZEOF_LONG == 8 */

#ifdef FT_LONG64
typedef FT_INT64 FT_Int64;
typedef FT_UINT64 FT_UInt64;
#endif

#ifdef _WIN64
/* only 64bit Windows uses the LLP64 data model, i.e., */
/* 32bit integers, 64bit pointers                      */
#define FT_UINT_TO_POINTER(x) (void *)(unsigned __int64)(x)
#else
#define FT_UINT_TO_POINTER(x) (void *)(unsigned long)(x)
#endif

/**************************************************************************
 *
 * miscellaneous
 *
 */

#define FT_BEGIN_STMNT do {
#define FT_END_STMNT                                                                               \
	}                                                                                              \
	while (0)
#define FT_DUMMY_STMNT FT_BEGIN_STMNT FT_END_STMNT

/* `typeof` condition taken from gnulib's `intprops.h` header file */
#if ((defined(__GNUC__) && __GNUC__ >= 2) ||                                                       \
     (defined(__IBMC__) && __IBMC__ >= 1210 && defined(__IBM__TYPEOF__)) ||                        \
     (defined(__SUNPRO_C) && __SUNPRO_C >= 0x5110 && !__STDC__))
#define FT_TYPEOF(type) (__typeof__(type))
#else
#define FT_TYPEOF(type) /* empty */
#endif

/* Use `FT_LOCAL` and `FT_LOCAL_DEF` to declare and define,            */
/* respectively, a function that gets used only within the scope of a  */
/* module.  Normally, both the header and source code files for such a */
/* function are within a single module directory.                      */
/*                                                                     */
/* Intra-module arrays should be tagged with `FT_LOCAL_ARRAY` and      */
/* `FT_LOCAL_ARRAY_DEF`.                                               */
/*                                                                     */
#ifdef FT_MAKE_OPTION_SINGLE_OBJECT

#define FT_LOCAL(x) static x
#define FT_LOCAL_DEF(x) static x

#else

#ifdef __cplusplus
#define FT_LOCAL(x) extern "C" x
#define FT_LOCAL_DEF(x) extern "C" x
#else
#define FT_LOCAL(x) extern x
#define FT_LOCAL_DEF(x) x
#endif

#endif /* FT_MAKE_OPTION_SINGLE_OBJECT */

#define FT_LOCAL_ARRAY(x) extern const x
#define FT_LOCAL_ARRAY_DEF(x) const x

/* Use `FT_BASE` and `FT_BASE_DEF` to declare and define, respectively, */
/* functions that are used in more than a single module.  In the        */
/* current setup this implies that the declaration is in a header file  */
/* in the `include/freetype/internal` directory, and the function body  */
/* is in a file in `src/base`.                                          */
/*                                                                      */
#ifndef FT_BASE

#ifdef __cplusplus
#define FT_BASE(x) extern "C" x
#else
#define FT_BASE(x) extern x
#endif

#endif /* !FT_BASE */

#ifndef FT_BASE_DEF

#ifdef __cplusplus
#define FT_BASE_DEF(x) x
#else
#define FT_BASE_DEF(x) x
#endif

#endif /* !FT_BASE_DEF */

/* When compiling FreeType as a DLL or DSO with hidden visibility    */
/* some systems/compilers need a special attribute in front OR after */
/* the return type of function declarations.                         */
/*                                                                   */
/* Two macros are used within the FreeType source code to define     */
/* exported library functions: `FT_EXPORT` and `FT_EXPORT_DEF`.      */
/*                                                                   */
/* - `FT_EXPORT( return_type )`                                      */
/*                                                                   */
/*   is used in a function declaration, as in                        */
/*                                                                   */
/*   ```                                                             */
/*     FT_EXPORT( FT_Error )                                         */
/*     FT_Init_FreeType( FT_Library*  alibrary );                    */
/*   ```                                                             */
/*                                                                   */
/* - `FT_EXPORT_DEF( return_type )`                                  */
/*                                                                   */
/*   is used in a function definition, as in                         */
/*                                                                   */
/*   ```                                                             */
/*     FT_EXPORT_DEF( FT_Error )                                     */
/*     FT_Init_FreeType( FT_Library*  alibrary )                     */
/*     {                                                             */
/*       ... some code ...                                           */
/*       return FT_Err_Ok;                                           */
/*     }                                                             */
/*   ```                                                             */
/*                                                                   */
/* You can provide your own implementation of `FT_EXPORT` and        */
/* `FT_EXPORT_DEF` here if you want.                                 */
/*                                                                   */
/* To export a variable, use `FT_EXPORT_VAR`.                        */
/*                                                                   */
#ifndef FT_EXPORT

#ifdef FT2_BUILD_LIBRARY

#if defined(_WIN32) && defined(DLL_EXPORT)
#define FT_EXPORT(x) __declspec(dllexport) x
#elif defined(__GNUC__) && __GNUC__ >= 4
#define FT_EXPORT(x) __attribute__((visibility("default"))) x
#elif defined(__SUNPRO_C) && __SUNPRO_C >= 0x550
#define FT_EXPORT(x) __global x
#elif defined(__cplusplus)
#define FT_EXPORT(x) extern "C" x
#else
#define FT_EXPORT(x) extern x
#endif

#else

#if defined(_WIN32) && defined(DLL_IMPORT)
#define FT_EXPORT(x) __declspec(dllimport) x
#elif defined(__cplusplus)
#define FT_EXPORT(x) extern "C" x
#else
#define FT_EXPORT(x) extern x
#endif

#endif

#endif /* !FT_EXPORT */

#ifndef FT_EXPORT_DEF

#ifdef __cplusplus
#define FT_EXPORT_DEF(x) extern "C" x
#else
#define FT_EXPORT_DEF(x) extern x
#endif

#endif /* !FT_EXPORT_DEF */

#ifndef FT_EXPORT_VAR

#ifdef __cplusplus
#define FT_EXPORT_VAR(x) extern "C" x
#else
#define FT_EXPORT_VAR(x) extern x
#endif

#endif /* !FT_EXPORT_VAR */

/* The following macros are needed to compile the library with a   */
/* C++ compiler and with 16bit compilers.                          */
/*                                                                 */

/* This is special.  Within C++, you must specify `extern "C"` for */
/* functions which are used via function pointers, and you also    */
/* must do that for structures which contain function pointers to  */
/* assure C linkage -- it's not possible to have (local) anonymous */
/* functions which are accessed by (global) function pointers.     */
/*                                                                 */
/*                                                                 */
/* FT_CALLBACK_DEF is used to _define_ a callback function,        */
/* located in the same source code file as the structure that uses */
/* it.                                                             */
/*                                                                 */
/* FT_BASE_CALLBACK and FT_BASE_CALLBACK_DEF are used to declare   */
/* and define a callback function, respectively, in a similar way  */
/* as FT_BASE and FT_BASE_DEF work.                                */
/*                                                                 */
/* FT_CALLBACK_TABLE is used to _declare_ a constant variable that */
/* contains pointers to callback functions.                        */
/*                                                                 */
/* FT_CALLBACK_TABLE_DEF is used to _define_ a constant variable   */
/* that contains pointers to callback functions.                   */
/*                                                                 */
/*                                                                 */
/* Some 16bit compilers have to redefine these macros to insert    */
/* the infamous `_cdecl` or `__fastcall` declarations.             */
/*                                                                 */
#ifndef FT_CALLBACK_DEF
#ifdef __cplusplus
#define FT_CALLBACK_DEF(x) extern "C" x
#else
#define FT_CALLBACK_DEF(x) static x
#endif
#endif /* FT_CALLBACK_DEF */

#ifndef FT_BASE_CALLBACK
#ifdef __cplusplus
#define FT_BASE_CALLBACK(x) extern "C" x
#define FT_BASE_CALLBACK_DEF(x) extern "C" x
#else
#define FT_BASE_CALLBACK(x) extern x
#define FT_BASE_CALLBACK_DEF(x) x
#endif
#endif /* FT_BASE_CALLBACK */

#ifndef FT_CALLBACK_TABLE
#ifdef __cplusplus
#define FT_CALLBACK_TABLE extern "C"
#define FT_CALLBACK_TABLE_DEF extern "C"
#else
#define FT_CALLBACK_TABLE extern
#define FT_CALLBACK_TABLE_DEF /* nothing */
#endif
#endif /* FT_CALLBACK_TABLE */

FT_END_HEADER

#endif /* FTCONFIG_H_ */

/* END */
